1 /* opkg_conf.c - the opkg package management system
3 Copyright (C) 2009 Ubiq Technologies <graham.gower@gmail.com>
6 Copyright (C) 2001 University of Southern California
8 This program is free software; you can redistribute it and/or
9 modify it under the terms of the GNU General Public License as
10 published by the Free Software Foundation; either version 2, or (at
11 your option) any later version.
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
20 #include <sys/types.h>
26 #include "opkg_conf.h"
30 #include "sprintf_alloc.h"
31 #include "opkg_message.h"
32 #include "file_util.h"
33 #include "opkg_defines.h"
34 #include "libbb/libbb.h"
37 static char *lock_file = NULL;
39 static opkg_conf_t _conf;
40 opkg_conf_t *conf = &_conf;
45 opkg_option_t options[] = {
46 {"cache", OPKG_OPT_TYPE_STRING, &_conf.cache},
47 {"force_defaults", OPKG_OPT_TYPE_BOOL, &_conf.force_defaults},
48 {"force_maintainer", OPKG_OPT_TYPE_BOOL, &_conf.force_maintainer},
49 {"force_depends", OPKG_OPT_TYPE_BOOL, &_conf.force_depends},
50 {"force_overwrite", OPKG_OPT_TYPE_BOOL, &_conf.force_overwrite},
51 {"force_downgrade", OPKG_OPT_TYPE_BOOL, &_conf.force_downgrade},
52 {"force_reinstall", OPKG_OPT_TYPE_BOOL, &_conf.force_reinstall},
53 {"force_space", OPKG_OPT_TYPE_BOOL, &_conf.force_space},
54 {"force_postinstall", OPKG_OPT_TYPE_BOOL, &_conf.force_postinstall},
55 {"force_checksum", OPKG_OPT_TYPE_BOOL, &_conf.force_checksum},
56 {"check_signature", OPKG_OPT_TYPE_BOOL, &_conf.check_signature},
57 {"no_check_certificate", OPKG_OPT_TYPE_BOOL, &_conf.no_check_certificate},
58 {"ftp_proxy", OPKG_OPT_TYPE_STRING, &_conf.ftp_proxy},
59 {"http_proxy", OPKG_OPT_TYPE_STRING, &_conf.http_proxy},
60 {"http_timeout", OPKG_OPT_TYPE_STRING, &_conf.http_timeout},
61 {"no_proxy", OPKG_OPT_TYPE_STRING, &_conf.no_proxy},
62 {"test", OPKG_OPT_TYPE_BOOL, &_conf.noaction},
63 {"noaction", OPKG_OPT_TYPE_BOOL, &_conf.noaction},
64 {"download_only", OPKG_OPT_TYPE_BOOL, &_conf.download_only},
65 {"nodeps", OPKG_OPT_TYPE_BOOL, &_conf.nodeps},
66 {"nocase", OPKG_OPT_TYPE_BOOL, &_conf.nocase},
67 {"offline_root", OPKG_OPT_TYPE_STRING, &_conf.offline_root},
68 {"overlay_root", OPKG_OPT_TYPE_STRING, &_conf.overlay_root},
69 {"proxy_passwd", OPKG_OPT_TYPE_STRING, &_conf.proxy_passwd},
70 {"proxy_user", OPKG_OPT_TYPE_STRING, &_conf.proxy_user},
71 {"query-all", OPKG_OPT_TYPE_BOOL, &_conf.query_all},
72 {"size", OPKG_OPT_TYPE_BOOL, &_conf.size},
73 {"tmp_dir", OPKG_OPT_TYPE_STRING, &_conf.tmp_dir},
74 {"verbosity", OPKG_OPT_TYPE_INT, &_conf.verbosity},
78 static int resolve_pkg_dest_list(void)
80 nv_pair_list_elt_t *iter;
85 for (iter = nv_pair_list_first(&conf->tmp_dest_list); iter;
86 iter = nv_pair_list_next(&conf->tmp_dest_list, iter)) {
87 nv_pair = (nv_pair_t *) iter->data;
89 if (conf->offline_root) {
90 sprintf_alloc(&root_dir, "%s%s", conf->offline_root,
93 root_dir = xstrdup(nv_pair->value);
97 pkg_dest_list_append(&conf->pkg_dest_list, nv_pair->name,
98 root_dir, conf->lists_dir);
101 if (conf->default_dest == NULL)
102 conf->default_dest = dest;
104 if (conf->dest_str && !strcmp(dest->name, conf->dest_str)) {
105 conf->default_dest = dest;
106 conf->restrict_to_default_dest = 1;
110 if (conf->dest_str && !conf->restrict_to_default_dest) {
111 opkg_msg(ERROR, "Unknown dest name: `%s'.\n", conf->dest_str);
118 static int opkg_conf_set_option(const char *name, const char *value)
122 while (options[i].name) {
123 if (strcmp(options[i].name, name) == 0) {
124 switch (options[i].type) {
125 case OPKG_OPT_TYPE_BOOL:
126 if (*(int *)options[i].value) {
128 "Duplicate boolean option %s, "
129 "leaving this option on.\n",
133 *((int *const)options[i].value) = 1;
135 case OPKG_OPT_TYPE_INT:
137 if (*(int *)options[i].value) {
139 "Duplicate option %s, "
140 "using first seen value \"%d\".\n",
146 *((int *const)options[i].value) =
151 "Option %s needs an argument\n",
155 case OPKG_OPT_TYPE_STRING:
157 if (*(char **)options[i].value) {
159 "Duplicate option %s, "
160 "using first seen value \"%s\".\n",
162 *((char **)options[i].
166 *((char **const)options[i].value) =
171 "Option %s needs an argument\n",
180 opkg_msg(ERROR, "Unrecognized option: %s=%s\n", name, value);
185 opkg_conf_parse_file(const char *filename,
186 pkg_src_list_t * pkg_src_list,
187 pkg_src_list_t * dist_src_list)
192 regex_t valid_line_re, comment_re;
193 #define regmatch_size 14
194 regmatch_t regmatch[regmatch_size];
196 file = fopen(filename, "r");
198 opkg_perror(ERROR, "Failed to open %s", filename);
203 opkg_msg(INFO, "Loading conf file %s.\n", filename);
205 err = xregcomp(&comment_re,
206 "^[[:space:]]*(#.*|[[:space:]]*)$", REG_EXTENDED);
210 err = xregcomp(&valid_line_re,
211 "^[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))"
212 "[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))"
213 "[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))"
214 "([[:space:]]+([^[:space:]]+))?([[:space:]]+(.*))?[[:space:]]*$",
221 char *type, *name, *value, *extra;
225 line = file_read_line_alloc(file);
229 if (regexec(&comment_re, line, 0, 0, 0) == 0)
232 if (regexec(&valid_line_re, line, regmatch_size, regmatch, 0) ==
234 opkg_msg(ERROR, "%s:%d: Ignoring invalid line: `%s'\n",
235 filename, line_num, line);
239 /* This has to be so ugly to deal with optional quotation marks */
240 if (regmatch[2].rm_so > 0) {
241 type = xstrndup(line + regmatch[2].rm_so,
242 regmatch[2].rm_eo - regmatch[2].rm_so);
244 type = xstrndup(line + regmatch[3].rm_so,
245 regmatch[3].rm_eo - regmatch[3].rm_so);
248 if (regmatch[5].rm_so > 0) {
249 name = xstrndup(line + regmatch[5].rm_so,
250 regmatch[5].rm_eo - regmatch[5].rm_so);
252 name = xstrndup(line + regmatch[6].rm_so,
253 regmatch[6].rm_eo - regmatch[6].rm_so);
256 if (regmatch[8].rm_so > 0) {
257 value = xstrndup(line + regmatch[8].rm_so,
258 regmatch[8].rm_eo - regmatch[8].rm_so);
260 value = xstrndup(line + regmatch[9].rm_so,
261 regmatch[9].rm_eo - regmatch[9].rm_so);
265 if (regmatch[11].rm_so > 0) {
266 if (regmatch[13].rm_so > 0
267 && regmatch[13].rm_so != regmatch[13].rm_eo)
269 xstrndup(line + regmatch[11].rm_so,
273 extra = xstrndup(line + regmatch[11].rm_so,
278 if (regmatch[13].rm_so != regmatch[13].rm_eo
279 && strncmp(type, "dist", 4) != 0) {
281 "%s:%d: Ignoring config line with trailing garbage: `%s'\n",
282 filename, line_num, line);
285 /* We use the conf->tmp_dest_list below instead of
286 conf->pkg_dest_list because we might encounter an
287 offline_root option later and that would invalidate the
288 directories we would have computed in
289 pkg_dest_list_init. (We do a similar thing with
290 tmp_src_nv_pair_list for sake of symmetry.) */
291 if (strcmp(type, "option") == 0) {
292 opkg_conf_set_option(name, value);
293 } else if (strcmp(type, "dist") == 0) {
294 if (!nv_pair_list_find
295 ((nv_pair_list_t *) dist_src_list, name)) {
296 pkg_src_list_append(dist_src_list, name,
300 "Duplicate dist declaration (%s %s). "
301 "Skipping.\n", name, value);
303 } else if (strcmp(type, "dist/gz") == 0) {
304 if (!nv_pair_list_find
305 ((nv_pair_list_t *) dist_src_list, name)) {
306 pkg_src_list_append(dist_src_list, name,
310 "Duplicate dist declaration (%s %s). "
311 "Skipping.\n", name, value);
313 } else if (strcmp(type, "src") == 0) {
314 if (!nv_pair_list_find
315 ((nv_pair_list_t *) pkg_src_list, name)) {
316 pkg_src_list_append(pkg_src_list, name,
320 "Duplicate src declaration (%s %s). "
321 "Skipping.\n", name, value);
323 } else if (strcmp(type, "src/gz") == 0) {
324 if (!nv_pair_list_find
325 ((nv_pair_list_t *) pkg_src_list, name)) {
326 pkg_src_list_append(pkg_src_list, name,
330 "Duplicate src declaration (%s %s). "
331 "Skipping.\n", name, value);
333 } else if (strcmp(type, "dest") == 0) {
334 nv_pair_list_append(&conf->tmp_dest_list, name,
336 } else if (strcmp(type, "lists_dir") == 0) {
337 conf->lists_dir = xstrdup(value);
338 } else if (strcmp(type, "arch") == 0) {
340 "Supported arch %s priority (%s)\n",
344 "No priority given for architecture %s,"
345 "defaulting to 10\n", name);
346 value = xstrdup("10");
348 nv_pair_list_append(&conf->arch_list, name,
352 "%s:%d: Ignoring invalid line: `%s'\n",
353 filename, line_num, line);
368 regfree(&valid_line_re);
370 regfree(&comment_re);
372 if (fclose(file) == EOF) {
373 opkg_perror(ERROR, "Couldn't close %s", filename);
380 int opkg_conf_write_status_files(void)
382 pkg_dest_list_elt_t *iter;
391 list_for_each_entry(iter, &conf->pkg_dest_list.head, node) {
392 dest = (pkg_dest_t *) iter->data;
394 dest->status_fp = fopen(dest->status_file_name, "w");
395 if (dest->status_fp == NULL && errno != EROFS) {
396 opkg_perror(ERROR, "Can't open status file %s",
397 dest->status_file_name);
402 all = pkg_vec_alloc();
403 pkg_hash_fetch_available(all);
405 for (i = 0; i < all->len; i++) {
407 /* We don't need most uninstalled packages in the status file */
408 if (pkg->state_status == SS_NOT_INSTALLED
409 && (pkg->state_want == SW_UNKNOWN
410 || (pkg->state_want == SW_DEINSTALL
411 && pkg->state_flag != SF_HOLD)
412 || pkg->state_want == SW_PURGE)) {
415 if (pkg->dest == NULL) {
417 "Internal error: package %s has a NULL dest\n",
421 if (pkg->dest->status_fp)
422 pkg_print_status(pkg, pkg->dest->status_fp);
427 list_for_each_entry(iter, &conf->pkg_dest_list.head, node) {
428 dest = (pkg_dest_t *) iter->data;
429 if (dest->status_fp && fclose(dest->status_fp) == EOF) {
430 opkg_perror(ERROR, "Couldn't close %s",
431 dest->status_file_name);
439 char *root_filename_alloc(char *filename)
442 sprintf_alloc(&root_filename, "%s%s",
443 (conf->offline_root ? conf->offline_root : ""), filename);
444 return root_filename;
447 static int glob_errfunc(const char *epath, int eerrno)
449 if (eerrno == ENOENT)
450 /* If leading dir does not exist, we get GLOB_NOMATCH. */
453 opkg_msg(ERROR, "glob failed for %s: %s\n", epath, strerror(eerrno));
457 int opkg_conf_init(void)
459 pkg_src_list_init(&conf->pkg_src_list);
460 pkg_src_list_init(&conf->dist_src_list);
461 pkg_dest_list_init(&conf->pkg_dest_list);
462 pkg_dest_list_init(&conf->tmp_dest_list);
463 nv_pair_list_init(&conf->arch_list);
468 int opkg_conf_load(void)
471 char *tmp, *tmp_dir_base, **tmp_val;
473 char *etc_opkg_conf_pattern;
475 conf->restrict_to_default_dest = 0;
476 conf->default_dest = NULL;
478 if (!conf->offline_root)
479 conf->offline_root = xstrdup(getenv("OFFLINE_ROOT"));
481 if (conf->conf_file) {
483 if (stat(conf->conf_file, &st) == -1) {
484 opkg_perror(ERROR, "Couldn't stat %s", conf->conf_file);
487 if (opkg_conf_parse_file(conf->conf_file,
489 &conf->dist_src_list))
493 if (conf->offline_root)
494 sprintf_alloc(&etc_opkg_conf_pattern, "%s/etc/opkg/*.conf",
497 const char *conf_file_dir = getenv("OPKG_CONF_DIR");
498 if (conf_file_dir == NULL)
499 conf_file_dir = OPKG_CONF_DEFAULT_CONF_FILE_DIR;
500 sprintf_alloc(&etc_opkg_conf_pattern, "%s/*.conf",
504 memset(&globbuf, 0, sizeof(globbuf));
505 glob_ret = glob(etc_opkg_conf_pattern, 0, glob_errfunc, &globbuf);
506 if (glob_ret && glob_ret != GLOB_NOMATCH) {
507 free(etc_opkg_conf_pattern);
512 free(etc_opkg_conf_pattern);
514 for (i = 0; i < globbuf.gl_pathc; i++) {
515 if (globbuf.gl_pathv[i])
516 if (conf->conf_file &&
517 !strcmp(conf->conf_file, globbuf.gl_pathv[i]))
519 if (opkg_conf_parse_file(globbuf.gl_pathv[i],
521 &conf->dist_src_list) < 0) {
529 if (conf->offline_root)
530 sprintf_alloc(&lock_file, "%s/%s", conf->offline_root,
533 sprintf_alloc(&lock_file, "%s", OPKGLOCKFILE);
535 lock_fd = creat(lock_file, S_IRUSR | S_IWUSR | S_IRGRP);
537 opkg_perror(ERROR, "Could not create lock file %s", lock_file);
541 if (lockf(lock_fd, F_TLOCK, (off_t) 0) == -1) {
542 opkg_perror(ERROR, "Could not lock %s", lock_file);
543 if (close(lock_fd) == -1)
544 opkg_perror(ERROR, "Couldn't close descriptor %d (%s)",
551 tmp_dir_base = conf->tmp_dir;
553 tmp_dir_base = getenv("TMPDIR");
555 sprintf_alloc(&tmp, "%s/%s",
556 tmp_dir_base ? tmp_dir_base :
557 OPKG_CONF_DEFAULT_TMP_DIR_BASE, OPKG_CONF_TMP_DIR_SUFFIX);
560 conf->tmp_dir = mkdtemp(tmp);
561 if (conf->tmp_dir == NULL) {
562 opkg_perror(ERROR, "Creating temp dir %s failed", tmp);
567 hash_table_init("file-hash", &conf->file_hash,
568 OPKG_CONF_DEFAULT_HASH_LEN);
569 hash_table_init("obs-file-hash", &conf->obs_file_hash,
570 OPKG_CONF_DEFAULT_HASH_LEN / 16);
572 if (conf->lists_dir == NULL)
573 conf->lists_dir = xstrdup(OPKG_CONF_LISTS_DIR);
575 if (conf->offline_root) {
576 sprintf_alloc(&tmp, "%s/%s", conf->offline_root,
578 free(conf->lists_dir);
579 conf->lists_dir = tmp;
582 /* if no architectures were defined, then default all, noarch, and host architecture */
583 if (nv_pair_list_empty(&conf->arch_list)) {
584 nv_pair_list_append(&conf->arch_list, "all", "1");
585 nv_pair_list_append(&conf->arch_list, "noarch", "1");
586 nv_pair_list_append(&conf->arch_list, HOST_CPU_STR, "10");
589 /* Even if there is no conf file, we'll need at least one dest. */
590 if (nv_pair_list_empty(&conf->tmp_dest_list)) {
591 nv_pair_list_append(&conf->tmp_dest_list,
592 OPKG_CONF_DEFAULT_DEST_NAME,
593 OPKG_CONF_DEFAULT_DEST_ROOT_DIR);
596 if (resolve_pkg_dest_list())
599 nv_pair_list_deinit(&conf->tmp_dest_list);
604 free(conf->lists_dir);
607 hash_table_deinit(&conf->file_hash);
608 hash_table_deinit(&conf->obs_file_hash);
610 if (rmdir(conf->tmp_dir) == -1)
611 opkg_perror(ERROR, "Couldn't remove dir %s", conf->tmp_dir);
613 if (lockf(lock_fd, F_ULOCK, (off_t) 0) == -1)
614 opkg_perror(ERROR, "Couldn't unlock %s", lock_file);
616 if (close(lock_fd) == -1)
617 opkg_perror(ERROR, "Couldn't close descriptor %d (%s)",
619 if (unlink(lock_file) == -1)
620 opkg_perror(ERROR, "Couldn't unlink %s", lock_file);
627 pkg_src_list_deinit(&conf->pkg_src_list);
628 pkg_src_list_deinit(&conf->dist_src_list);
629 pkg_dest_list_deinit(&conf->pkg_dest_list);
630 nv_pair_list_deinit(&conf->arch_list);
632 for (i = 0; options[i].name; i++) {
633 if (options[i].type == OPKG_OPT_TYPE_STRING) {
634 tmp_val = (char **)options[i].value;
642 nv_pair_list_deinit(&conf->tmp_dest_list);
644 free(conf->dest_str);
646 free(conf->conf_file);
651 void opkg_conf_deinit(void)
660 free(conf->lists_dir);
663 free(conf->dest_str);
666 free(conf->conf_file);
668 pkg_src_list_deinit(&conf->pkg_src_list);
669 pkg_src_list_deinit(&conf->dist_src_list);
670 pkg_dest_list_deinit(&conf->pkg_dest_list);
671 nv_pair_list_deinit(&conf->arch_list);
673 for (i = 0; options[i].name; i++) {
674 if (options[i].type == OPKG_OPT_TYPE_STRING) {
675 tmp = (char **)options[i].value;
683 if (conf->verbosity >= DEBUG) {
684 hash_print_stats(&conf->pkg_hash);
685 hash_print_stats(&conf->file_hash);
686 hash_print_stats(&conf->obs_file_hash);
690 hash_table_deinit(&conf->file_hash);
691 hash_table_deinit(&conf->obs_file_hash);
694 if (lockf(lock_fd, F_ULOCK, (off_t) 0) == -1)
695 opkg_perror(ERROR, "Couldn't unlock %s", lock_file);
697 if (close(lock_fd) == -1)
698 opkg_perror(ERROR, "Couldn't close descriptor %d (%s)",
704 if (unlink(lock_file) == -1)
705 opkg_perror(ERROR, "Couldn't unlink %s", lock_file);